I see that in the W3.Css demo and templates there is use of forms. When I tried to edit this for use with HTML/PHP The button for the HTML form only works when the Modal Submit is used.
<div id="id01" class=" w3-modal" >
...
<form action="subscribe.php" method="POST"> <input name="subname" class="w3-input" placeholder="Full Name" type="text" required> <input name="subemail" class="w3-input" placeholder="Email Address" type="text" required> <label class="w3-label w3-validate">Subscribe to e-Mail Newsletter</label> <input c